Type-writing machine.



PATENTED MAY 8 F. X. WAGNER. TYPE WRITING MACHINE.

APPLICATION FILED JUNE 3.1901.

a SHBETSSHEET 1 INVENTDR WITNESSES:

' ATTORNEYS PATENTED MAY 8, 1906.

F. X. WAGNER. TYPE WRITING MACHINE.

APPLICATION FILED JUNE 3.1901.

8 SHEETS-SHEET 2.

INVENTOR 72; a? 7% hmx WITNESSES:

No. 819,963. PATENTED MAY 8, 1906. P. X. WAGNER. TYPE WRITING MACHINE.

APPLICATION FILED Jim 3. 1901..

8 SHEETSSHEET 3.

PATENTED MAY 8, 1906. P. X. WAGNER. TYPE WRITING MACHINE.

APPLICATION FILED JUNE 3. 1901.

R 0 I N E V N ATTORNEYS No. 819,968. PATENTED MAY 8, 1906. F. WAGNER. TYPE WRITING MACHINE.

APPLICATION FILED JUNE 3.1901.

8 SHEETSSHBET 5.

&

IINVENTOR ATTORNEYS No. 819,963. I PATENTED MAY 8, 1906.

F. X. WAGNER. TYPE WRITING MACHINE.

APPLICATION FILED JUNE 3.1901.

8 SHEETSSHEET 6.

ATTOR N EYS PATENTED MAY 8, 1906.

F X WAGNER TYPE WRITING MACHINE.

APPLICATION FILED JUNEIS. 1901. I

' a SHEETS-SHEET 7.

. QMR

INVENTOR ATTORNEYS No. 819,963. PATENTED MAY 8, 1906.

F. X. WAGNER. TYPE WRITING MACHINE.

APPLICATION FILED JUNE 3.1901.

s SHEETS-SHEET a INVENTOR ATTORN EYS p in said figure.

iinrrnn sira'rns Parana orricn.

FRANZ X. WAGNER, OF NEW YORK, N. Y., ASSIGNOR, BY MESNE ASSIGNMENTS, TO UNDERWOOD TYPEVVRITER COMPANY, OF NEW YORK, N. Y., A CORPORATION OF NEW JERSEY.

TYPE-WRITING MACE-NE.

To (all whom, it may concern.-

Be it known that I, FRANZ X. WAGNER, a citizen of the United States, residing in the borough of Manhattan, city, county, and State of New York, have invented certain new and useful Improvements in Type- Writing Machines, of which the following is a specification.

My invention relates to type-writing machines; and the object of said invention is to provide efficient mechanism whereby the various ends to be attained by said machine may be effectively accomplished.

To these ends my invention consists in the novel arrangement and combination of parts hereinafter described and claimed.

In the accompanying drawings, wherein like numerals designate corresponding parts in the various views, Figure I is a central sectional view of the machine from front to rear, the section being taken on the line I I of Fig. II and looking in the direction of the arrow w Fig. II is a rear elevation of the machine with parts broken away. Fig. III is a longitudinal sectional view of the machine, taken on the line IIIIII of Fig. I and looking in the direction of the arrow .90 in said figure. Fig. IV. is a longitudinal sectional View of the machine, taken on the line IV IV of Fig. I with the carriage removed and look ing in the direction of the arrow y in said figure. Fig. V is a fragmentary detail plan view of the ribbon reversing mechanism. Fig. VI is a detail face view with parts broken away of the feed-dog and spring-drum. Fig. VII is a detail edge view of the spring-drum.

Fig. VIII is a detail vertical sectional View of the tabulating-stop, the section being taken on the line VIII VIII of Fig. II and looking in the direction of the arrow .2. Fig. IX-is a detail rear view, partly in'section, of a portion of the machine to be hereinafter more fully explained, the section being taken on the line IX IX of Fig. XI. Fig. X is a bottom view of the same. Fig. XI is a transverse sectional view on the line XI XI of Fig. IX.- Fig. XII is a detail-top view of one of the type-bars. view, partly in section, of certain of the mechanism to be hereinafter described. Fig. XIV is alike view of the same looking from the opposite direction or from the center of the machine. Fig. XV is a detail vertical sectional Specification of Letters Patent.

Application filed June 3, 1901. Serial No. 62.828.

Fig. XIII is a detail outside Patented May 8, 1906.

view fromfront to rear of a portion of the machine to illustrate the tabulating mechanism, some of the parts being omitted for the purpose of clearness.

Generally speaking, the invention may be said to be directed to mechanism of the following character: First, mechanism for read ily attaching the carriage to and detaching it from the machine, whereby interchangeable carria es can be substituted one for another; second, mechanism for readily attachin the feed dog or dogs to and detaching them om the machine, whereby interchangeable'feeddog mechanism of different characters can be substituted one for another; third, springdrum mechanism.

In the drawings, 1 designates the framing of the machine, in which the type-bar segment 2 and various parts are mounted. A plurality of type-bars. 3 are mounted in the segment 2, though but a single type-bar and action is shown in order to avoid confusion in the illustration. Each of the type-bars 3 cooperates with a slide 4, which is provided with teeth 5, forming a rack-like portion that meshes with the rack like portion fornfed by teeth 6 on the type-bar. Each slide 4 is removably connected to an angular lever 7, which is pivoted to a fixed portion of the machine, as indicated'at 8. Each lever 7 is likewise removably connected to a key-lever 9, that is pivoted to a fixed portion of the machine, as indicated at 10. Each key-lever 9 is maintained united to its pivot and in the normal position by a spring 11, the tension of which may be regulated by suitable means, such as the set-screw 12. By these means the tension or weight on the key-levers can be individually regulated, so that the key-levers which control the side bars may have less tension than is applied to the levers controlling the center bars, thereby equalizing the weight on all the keys. Extending throughout the width of the keyboard and adjacent to the pivots 8 of the angular levers 7 is a pivoted latch 13, which is normally maintained in the locked position by a spring 13 (See Fig. III.) When the latch 13 is moved to the position indicated in Fig. I, it permits the ready withdrawal of any or all of the levers 7 from pivot 8. From an inspection of Fig. I it will be observed that each of the slides 4 is provided with a hooklike portion 14, at the rear end thereof, which is adapted to engage and move the universal bar with it in the forward movement of any slide. A movement of any slide in the 5 reverse direction may, however, take place independently of said universal bar.

From an examination of Figs. I, XI, and XII it will be observed that each type-bar is provided with lateral projections or pivots to 16, which are adapted to be seated in openmouthed recesses 17, and the pivots of the type-bars are maintained in position in the recesses or bearings by a segmental'bar '18. This segmental bar 18 is connected to the [5 segment 2 by the pin-and-slot connection 19' 20, the slots 20 being diagonally disposed, so that a longitudinal pressure exerted upon the bar will cause it to move laterally as well as longitudinally. A spring 21 (see Figs. IX 20 and X) is connected at one end to a pin 18, carried by the bar 18. The opposite end of this spring issecured to a pin 19*, which is carried by a fixed portion of the machine. This spring normally maintains the 'bar in 2 5 the locking position. (Indicated in Figs. X and XI of the drawings.) In order to release any or all of the type-bars, it is merely necessary to apply endwise pressure to bar 18, when the bar will be moved longitudinally and laterally, thereby permitting any or all .of the type bars to be withdrawn from their bearings.

From an inspection of Figs. I, II, III, and IV of the drawings itwill be observed that 5 the platen-frame 22 supports a platen 23 and likewise carries suitable cooperating paperfeed mechanism. An antifriction-roller 24 is connected to the platen-frame and is,adapt ed to bear upon a track 25,- that is con- 0 nected to suitable shifting mechanism to move it vertically, together with the platen, for the purpose of upper and lower case printing. To the rear of the paper-shelf 26, which is connected to the platen-frame, is secured 4; recessed studs 27. Each of these recessed studs 27 is adapted to receive a sprin pressed bolt 28, as clearly indicated in Fig. I of the drawings. The bolts 28 are preferably circular in cross-section in order that the platen-frame may oscillate thereon when the forward portion of the platen-frame is moved for upper and lower case printing. Each of the bolts 28 projects through supporting-v studs 29 and is adapted to move longitudi- 5 5 nally therein. Between the studs 29a sleeve 30 is adjustably secured toeach of the bolts, and an expansible spring 31 is adapted to bear at one end upon one .of the studs 29 and at the other end upon the adjustable sleeve 30 in order to normally maintain the bolt in the projected position. (Indicated in Fig. IV of the drawings.) In this position each of the bolts passes through a cooperating recessed stud 27. The freeend' of each bolt 28 has secured thereto afingerpiece 32. In order to remove the platen-frame from the machine, it is merely necessary to exert a pressure in opposite directions upon the fingerpieces 32, thereby Withdrawing both bolts 28 from the recessed studs 27, when the platenframe and the parts connected thereto are adapted to be removed and, if desired, an other platen-frame, carrying a platen of larger or smaller dimensions, may be readily mounted in place by permitting the bolts 28 to be projected into cooperating recessed studs 27 thereon. It will be observed that what I have termed a platen-frame, with the parts connected thereto, in reality constitutes the carriage. The supporting-studs 29 are connected to a longitudinally-movable bar 33. This bar 33 has connected thereto a rod 34, which is adapted to bear upongrooved rollers 35,which are pivoted to the framing 1 of the machine. These rollers are preferably three in number, as indicated in Fig. II of the drawings. The feed-rack 36 is carried by depending arms 37, which extend from the bar 33. The upper edge of the rack 36 is parallel to the bottom of the rod 34, and the antifriCtion-rollers 38 are adapted to bear upon the upper edge of the rack, as indicated in Fig. I, to prevent the bar 33 and the parts connected thereto from being lifted OH orout of the machine. The rollers 38 are preferably three in number, and one is located adjacent to each grooved roller 35, so as to form oppositely-disposed bearings for the rod 34.

and the upper edge of the rack 36. with and adjacent to the feed-rack 36 is mounted a vertically-movable release-bar 3 9.

This bar 39 has'an upwardly-extending arm Parallel IOO 40, (see Fig. II,) which is slotted, as indicated at 41. i A pin 42, which is carried by a crankarm 43, projects into this slot 41 in order to form an operative connection between the arm 40-and the crank-arm 43 and to permit the entire platen or carriagato be disconnected. from the machine. The crank-arm 43 is connected to a rock-shaft 44, that has a finger-- piece 45 connected thereto. A coiled spring 46 (shown in dotted lines in Fig. II) is connected at one end to the rock-shaft 44 and at the other end-to a fixed portion of the pYatenframe in order to maintain the crank-arm 43 and the parts connectedtherewitli normally in the position represented in Fig. II of the drawings. The so-called release-bar" 39 is secured in place by pin-and-slot connections 47 48. The slots 48 are diagonally disposed with relation to the lower face of said releasebar, so that a movement of the finger-piece 45 will cause, through the intermediate connections between the finger-piece and releasebar, a downward movement of the latter to a point where it extends below the teeth 49 on the rack 36. This release bar 39 is adapted at any position of the carriage to contact with the feed-dog 50. This feed-dog 50 is adapted to move downwardly or in a direction at right distance.

angles to the direction of feed of the rack and to carry with it the other feed-dog 51, so as to release the dogs from the rack, thereby permitting a free movement of the carriage in either direction. To the forward portion of the carriage is secured a scale or index 52, which cooperates with a suitable pointer or index fixed upon the framing of the machine and which constitute the scale and pointer to indicate the location of the carriage. A second indicating mechanism is likewise provided to indicate the printing-line as wellas the printing-point in order to readily make corrections and to insert words or characters in blanks, &c. This mechanism (see Figs. I and III) comprises a bar 53, which extends substantially throughout the length of the platen and is provided with indices 54., that are spaced in accordance with the letter-space This bar 53 is provided with a depending portion 55, which is adapted to bear upon the top of the segment 2 and is pivoted at one end to a link 56, which link in turn is pivoted to the platen-frame, as indicated at 57. The opposite end of the bar is unitedto a link 58 by a pin-and-slot connection 59 60, the opposite end of said link being pivoted to the platen-frame, as indicated at 61. The weight of the bar, 53 is sufiicient to maintain it at rest upon the segment 2, and it will maintain this same position irrespective of the vertical position of the platen-that is to say, irrespective of whether the platen-frame be shifted to write upper or lower case printing. Thus the indicating-bar 53 will be maintained adjacent to the printing-line and at the same distance beneath the same at all times, whether the platen be shifted for upper or lower case printlng.

From the foregoing descri tion it willbe readily seen that it is mere y necessary to withdraw the bolts 28 in order to remove the entire carriage and its appurtenances and to replace another cooperating carriage, which may be provided with a cylinder of difierent dimensions, and thatno special provision or change is necessary in the construction of the machine itself to enable the operator to substitute a wide carriage for a narrow carriage.

From an examination of Figs. I and XV of the drawings it will be observed that the bar 33 carries a depending arm 62, which extends to a point where connection may be made with the free end of the band 63, which has its opposite end secured to the spring-drum 64. This spring-drum 64 is pivoted to the framing-of the machine and has a spring 65 secured at one end thereto, as indicated at 66 in Fig. IV of the drawings. The opposite end of this spring is secured to a sleeve 67, (see Fig. 11,) that is contained withinthe spring 65 and extends loosely through the plate 68, which is rigid with the spring-drum 64. To the rear end of the sleeve 67 is rigidly secured a gear 69. 1 This gear meshes with r of the spring 65 is applied.

the pinion 70, (see Fig. VI,) that is secured upon a short shaft 71, journaled in a bearing 72 on a bracket 72*, depending from the frame. Upon the shaft 71 is rigidly carried a crank-arm 73. This crank-arm 73 is provided at its outer end with a handle 74, that secured to a spring-plate 75, that coperates with the said crank-arm. The handle 74 carries an abutment 76, that extends through an aperture 77 in the crank-arm and is adapted to be projected by the spring 75 into the path of a fixed abutment7 8. The fixed abutment 78 and the movable abutine'nt 76 are preferably beveled in opposite directions, so that a rotation of the crankarm 75 in one direction will cause the oppositely-disposed beveled faces of the abutments 76 and 78 to be brought into contact, thus lifting the abutment 76 against the tension of the spring 75 to permit the crank-arm to be moved or rotated freely past the abutment 78. I When, however, the crank-arm moves in an opposite direction, the flat faces of the abutments7 6 and 78 are brought into contact, and rotation of the arms past the fixed abutment in that direction is prevented unless the handle 74 be pulled out so as to withdraw the abutment 76 from the path of the fixed abutment, when the crank-arm 73 is free to be moved in either direction. The direction in which the crank-arm is automatically prevented from further rotation by the two abutments is that in which the tension By this .rnechan ism the tension of the drum can be readily regulated without liability of the controlling mechanism entirelyreleasing the spring from the control of the operator. Upon the same spindle which supports the spring-drum 'a loose ratchet-wheel 79 is provided. C06 erating with this ratchet-wheel 79 is a paw 80,

'which is normally maintained in engagement with the ratchet-wheel by a suitable spring 81. (See Fig. IV.) This pawl 80 is pivoted to the drum, as indicated at 82, so as to rotate therewith. Connected to the ratchet- Wheel 79 is a gear 83, and this gear 83 meshes with a co6peratinggear 84. (See Fig. I.) The gear 84 is secured to ashaft 85, the opposite end of which is connected'to a bevel-gear 86. The bevel-gear 86 meshes with a cooperating bevel-gear 87, that isloosely supported upon a shaft 88. The bevel-gear 87 carries a sleeve 89, (see Fig. V,) that is grooved, as indicated at 90, to receive the fingers 91, which are secured to a fixed portion of the machine, By these means the gear-wheel 87 will at all times be maintained in meshwith its cooperating bevel-gear 86 notwithstanding any longitudinal movement of the shaft 88. Projecting from the shaft 88 is an arm 92, from which extends a pin 93, that is adapted to project into a slotted arm 94, 0011- nected to the sleeve 89. By these means a rotary motion transmitted to thebevel-gear nally at all times.

suitable bearinlgs 95 and is adapted to move longitudina y therein. Each end of the shaft 88 is rovided with a clutch-section 96 97. These 0 utch-sections are each adapted .to cooperatewith a cooperating' clutchsection 98 99. The clutch-sections 98 and 99 are each secured to a shaft 100, which extends through suitable bearings the framing of the machine, and the outer ends 101 thereof form supports for the ribbon-spools 102." An extension 103, which projects at right angles to the length of each shaft, is secured to rotate therewith. Each ,of these angular projections 103 has pivoted thereto at 104 a: latch 105, that is ada ted to project through the cooperating rib on-spool" .to lock the same in place and'to at the same time, provide a handle whereby the shaft can be rotated. Each of these latches 105 is springpressed and normally maintained in looking engagement with the ribbon-s 001, as indicated at the right-hand side of ig. IV of the drawings. spool from its shaft, it is merelyLnecessary to press the latch 105 toward the shaft, thereb releasin the spool from the locking-shoulder 106 ont e latch, and the ribbon-spool is free to be withdrawn from its shaft. The posi tion of the latch 105 to' one side 'of thecenter of revolution of the cooperating ribbon-spool enables the operator to turn theribbon-spool and the shaft to which it is locked.

The shaft 88 has two arms 107. straddling the same and adapted to bear against the: headed portions which carry or form" the clutch-sections 96 97. These arms 107 are lever 111.

each rigidly connected to. a longitudinallymovable rod 108, which is under tension of a spring 109, which tends to force it in the direction of the arrow in Fig. V of the drawings. These springs, therefore, tend to force the rods 108 outwardly in opposite directions. The free end of each rod1-08 is connected by a pin-and-slot connection .110 to an angular (See Fig. II.) This angular le-- ver connected to each of the rods 1081s pivoted to'a fixed portion of the machine, as indicated at112. I Each of the arms 107 is pro vided with an upwardly exten bifurcated portion 1r13, which is adapte to receive a latch-lever 114, that is pivoted to a fixedportion of the machine, as indicated at 115. The lower face of each of these latchlevers 114'is provided witha nose 116, which, as indicatedatthe left-hand side of Fig. III,

of the, drawings, is adapted to engagebehirrd i the extension 113 to lo ck'thelspri -press ed rod 108 a ainst the tension of itsspring. This latchever 114 extends into the an arm 117, which is carried by a vi ratory 'ath of.

"frame 118, which frame is pivoted at 119 to '65- afixedportionof themachine. The opposite When it is desired to remove a end dfthis vibratory frame 118 is bifurcated,

ribbon in its movement from one spool to another.

The free end of each of the angular levers 111 extends'into the path of a movable dog or pawl 121, which is pivoted to a verticallymovable slide 122. The rearof this pawl 121 is provided with a cam+face 123, which-is adapted tocontactwith a fixedabutment 124fand is maintained in engagement with said abutment by means of a spring 125. By this construction it will be observed that the cam-face '123 on the pawl will permit the pawl to extend outwardly beneath the free end of the angular lever 111 when the vertically-movable bar 122 is in the lowermost p ositiomas indicated atthe right-hand side of ig. II of the drawings, and it will permit the pawl to be withdrawn from a position where it will engage the arm of the lever as the bar 122 is elevated. ,The arrangement of the parts is such that the free end of either of the angular levers 111 will be en aged by the awl 121 when the free end 0 the angular "as'indicated at 120, for the reception of the ever is in the lowermost position, as indi- W indicated in Fi II of the drawings, the pawl .Will be with movement to the a cal movement of the bars 122. The rodsor bars 122 are, as before stated, mounted to move vertically in the framing of the ma-' awn without transmitting ar lever on the vertichine. The upper end of each of these bars is adapted to support one end of the track 25,

gwhich in turn supports the paper-carria e. :The lower end of each of the bars or $11 es 1 122 is connected to a link 126, which has its opposite end secured to a'bar 127, that is spring-pressed and the tension upon which may be ad'usted by the clutch-sections 128.

(See Fig. II of the drawings.) The levers 129 are connected to suitable shift-keys, and the-rear ends' of these levers are provided with rightsangular projections 130, which, as indicatedin Fig. XIV. of the drawings, are adapted to bear against the cam-faces 131 of "the vibratory levers 132, which are pivoted to a fixed ivot 133. It will be understood that one 0 these levers 132 and the cooperating shift-key levers 129 are carried at each of the'levers 132 is bifurcated, as indicated at 134, for the reception of a stud 135,. carried side of the machine adj acent to the vertically movable slides 122. The upper end of each positionin'dicated in Fig. XIV' of the drawjings, the leyer .132 will cooperate with the stud 135, and'the slide 122, which carries it, :will revont undue .vibration :of the parts whic s u port'the platen. When either of the-shift reys is depressed, the rear end of the corresponding shift-key lever 129 will be elevated, thereby moving the cooperating ment with a lever 132 around its pivot in the direction of the arrow in Fig. XIV. This movement of the parts will bring the open mouth of the bifurcated portion of the lever 132 to a position where the stud 135 is free to be moved upwardly in a vertical direction. As soon as the lever 122 has reached the limit of its movement in an upward direction the portion 136 of. the lever 132 will be moved beneath the stud 135 to revent undue vibration of the lever 122 an the platen supported thereon when the platen is in the raised or elevated position. As soon as the shift-key. is released to permit the platen to assume the lowermost position the angular portion 130 ofthe lever 129 will by its cooperation with the cam-faces 131 permit the stud 135 to-assume the position indicated in Fig. XIV of the drawings. From this construction .it will be seen that undue vibration of the platen is provided against when it is being shifted either to the elevated or to 'the lowermost position for the purpose of writing upper or lower case characters and so that a blurring of the writing will not take place at these times. During the movement of the levers 129 just described each of them Will be brought into contact in its upward movepin 137, which is carried by the 006 erating s ide 122. It will be seen that a slig t movement of the lever 129 is permitted before it reaches contact with the pin 137. This initial movement of the lever. 129 is suflicient to throw the lever 132 around its pivot in the manner hereinbefore described in order to permit the stud 135 to pass out of the bifurcated portion of the lever 132. After the lever 129 has reached contact with its co- 0 erating pin 137 it will move the slide to e evate the platen. Op ositely-disposed setscrews 138 may be empl oyed to'regulate the limit of movement of the rail 25 in both the upward and downward direction. A coiled spring 139 may be adjustably secured to the framing of the machine, as indicated at 140, and the opposite end of said spring may be connected to a projection 141', extending from one of the links 126. Ihis spring acts in the nature of a counterbalancing-spring for the platen and the supporting mechanism therefor, which cooperates with the shiftin mechanism to move the platen for upper an lower case printing.

From the foregoing descriptiQ litMilLbe. understood t'fiat'fneshift-keys are eflective through the pawls 121 to move the angular levers 111, and thereby compress the cooperating springs .109 thereof. During the compression of these springs the slides or bifurcated arms 113 will be moved to positions where the cooperating gravity latch-levers 1 14 will drop to the lowermost position, thereby bringing the nose 116 on each of these levers to the outside of the slide to lock the slides, as indicated in Fig. III of the draw dicated at the left-hand side of Fig. IV of the .the--other-sidethe machine, and th'shaft ings, and thus maintain the springs l09under tension, When the s rings are under tension, the free ends of the angular levers 111 are in the position indicated in Fig. II of the drawings. In this position each of the angular levers will remain undisturbed and out of thepath of the pawl 121 in its movement with the slide 122. If, however, either of the angular levers assumes the position indrawings, (which it assumes when its cooperating spring 109 is free from tension,) then the free end of said angular lever will be in a position to be engaged by the awl 121, as indicated in Fig. XIII of the rawings. The next upward movement of the slide 122 will elevate the free end of the angular lever,

thereby compressing the spring 109 and looking it in the compressed conditionin the manner hereinbefore described.

It has been hereinbefore pointed out that the movement of the slides 113 efiects alongitudinal movement of the shaft 88 to bring about an engagement of the cooperating clutch members at one side of the machine and a disengagement of said clutch-sections at the other side of the machine. Thus, for instance, a longitudinal movement of the shaft 88 in the direction of the arrow as in Fig. V of the drawings will cause the clutch- 5 section 96 to be disengaged from the clutchsection 98 and the clutch-section 97 will engage the clutch-section' 99, so that further, rotary motion transmitted to the shaft 88 will be communicated to the ribbon-spool 102 at the left-hand side of the machine. The automatic reversal of the ribbon when an end thereof is approached will be brought about in the following manner: A suitable pin or abutment being carried near the end of each ribbon will contact with the bifurcated portion 120, throu h which the ribbon passes when an end 0' the ribbon is approached. The contact between'the abutment on the ribbon and the bifurcated portion of the 1 10 frame 118 will cause said frame to be shifted around its pivot 119, thus elevating the arm 1 17 thereof, -Which in turn will raise the cooperating gravity latch-lever 114 to free the slide 107, and thus move the clutch-sections 1 r 5 to the osition shown in Fig. V of the drawings. en the other end of the ribbon is approached, a similar action will take place at 88 will be moved in the opposite direction to 120 free the clutch-sections 97 and 99 and to engage the clutch-sections 96 and 98. Thus the right-hand spool will be placed in operative connection with the ribbon-feed mech- 'anism to rotate the right-hand ribbon-spool.

It will 'be understood that any movement transmitted to either of the shift-keys will operate the shift-key levers 129, in the manner described to setthecorresponding spring 109 I of the automatic ribbon-reversing mechan- 13o or. maintained under tension when it is neces- .mov.ement of the shaft 88 in the manner-dc ism and that after saidspring is placed undertension the mechanism is free from further cooperationwith the pawl 121, which sets 1t until it has been again released by the frame 118 in the manner described. It is' obvious that a. great number of operations oi both shift-keys will take plllace for every movement of the .mechanism W ch brings about the automatic reversal of the ribbon, :so that there is no liability of the springs 109 not being set sary for them to bring about the longitudinal secured .to the longitudinally-movable rod 146, and at the other end against the fixedv portion of the machine, (indicated at 149.)

Thislongitudinally-movable rod 146 is adapted ito pass through andbe guided by bearings 150 151 and is provided at its outer end withaafinger iece 152, by means ofwhich it can to perrnit of'its being withdrawn from the machine. The shaft 142 constitutes a carrierfor the feed-dogs and 51. These feeddogs are adapted to vibrate at right angles to the plane of the feed-rack 36, with which they cotiperate. The feed-dog 50 is provided with apin 155, and a lever156 is pivoted-to a fixed portion of the machine, as indicated at 157, and the opposite end of. this lever is pivotally connected toa link-158. A downward movement of the free end of the lever 156. will cause both feed-dogs to be depressedoutjofengagernent with the. rack, so as-to release the carriage. This link158 and lever 156. constitute aportion of the tabulating-qmechanism, whichv is about to be described. This-link 158 is bifurcated atits lower end, as indicated at 159 in.Fig.- XV ofthe drawings. 'Within the bifurcatedponv "tion159 -ofthe link 158, is received afLSQIQW;

160, that iscarried by a key-lever 161, that is pivoted, as indicated at 162. The free-end ofthislever carries the usual, finger-key 162 Pivotallyconnected tothe. key-lever 161 of- I the. tabulating key. is a; crank; arm 163.

3 The connection between this, crank-arm and 1 the 'lever is indicated at164. The crankarm 163 referred ;to is connected to .arockshaft- 165,- which extendsat, right (angles to the lengthof the "crank-arm 163, and is con nectedat itsopposite end to a .;second cranle by acoiled spring 147 ,that bears at one end upon a sleeve 148,

arm 166, which projects upwardly from the shaft and is slotted at its upper end, as indicated at 167. Within the slot167 of the crank-arm 166 is contained a pin 168, which pinis mounted upon an arm 169, that depends from a rack-support 170. One of these rack-supports 170 is provided at each end of e machine, as illustrated in Fig. II of the drawings, andto them is secured a longitudinally-extending rod 171. Suitable conebearings 172 are provided at each end of the machine and are-carried by ears 17 3and are adapted to project into the outer ends of the rod 171, so as to constitute a bearing therefor. The arms 17 0 are adapted to support a rack 174, provided with teeth 175. The upper edge of-this rack 174 is provided with a suitable scale 176, with which the tabulating stop or stops 177 cooperate. Inthe present instance I have illustrated but one of these tabulating-stops, although it should be understood that anysuitable number of such stops may be provided. Referring particu larly to Figs. I, II, and VIII of the drawings, it willgbe observed that the stop 177 comprises a casing to which the various portions 7 of the stop are mounted and that this casing is perforated and adaptedto slide upon the lon itudinally-extending rod 171.. A latch or ocking element 178 is adapted to move around the rod 171 as a pivot, and the nose orprojection 179 thereon is adapted to be received between the teeth 175 on the rack whenfth'e'latch is moved toithe'position indicated in-Fig. VIII of. thedrawings. To facilitate this movement of the latch, a fingerpiece 180 is provided, which extends through an opening 181 in the casing, Pivoted to the casing of the stop 171' is an index or pointer 182, the pivot of the said pointer being indicated at 183. The spring 184 en.- ab es the pointer 182 to be moved to either of two positions and tofbe retained in either of such positions therein. When the pointer is in the position indicated in Fig. VIII of the drawings, the pointer nose 185 thereof will extend over the face of the index plate or scale 176 to cooperate therewith in order to I determine the proper positioning of. the stop as determined by scale 17 6.- When the latch 178 is. locked in the manner indicated inFig VIII ofthe drawings, the stop-will be locked to the rack to prevent a movement of the stop-in the direction of the length ofthe rod.

A spring 186 cooperates with the lockingelement 178 and tends to normally force such lockin element into the locking position indicate in-Fig. VIII of the drawings- In order, however, 'to maintainfthe. locking element or latch 17 8 against the tensionof this spring and in the unlocked position, a projection 187 (see Fig. I of the drawings) is pro? vided at one side of the casing. This pro-- jection isadaptedwhen the latch 178 is in the. unlockedposition to project into. a depression 188 on the latch, and thus maintain the latch against movement by its spring.

When, however, the finger-piece 180 is moved by hand, the pressure is sufficient to force the projection 187 out of the depression 188, thus permitting the latch to be moved to the position indicated in Fig. VIII of the drawings. This latch, so called, 178 performs a twofold function. When the tabulating-key is depressed, the tabulating-stop as a whole will be moved in the direction of the arrow in Fig. XV, thus conveying the spring-pressed latch 178' into contact with the longitudinally-extending portion 189 on the part 33. This will exert a brakin action on the carriage to prevent too rapi a movement of the carriage when it has been released by the tabulator. The pressure of thelocking element 178 against the part 189 isnot sufficient. to release the projection 179 on the locking element from engagement with the teeth 175 on the rack. This disengagement can only be effected by a movement of the hand-operated piece 180. The tabulatingstop, it will be understood, cooperates with a suitable projection or stop on the carriage to arrest the carriage at the position for which the adjustable tabulating-stop 1,77-has been adjusted.

The detail operation of the tabulating mechanism which has been described is as follows: A depression of the tabulating-key 162 will cause an upward movement of the inner end of the tabulating-key, thus rocking the shaft 165 by reason of the connection 164 between said tabulating-key lever and the crank-arm 163 on the rock-shaft. The rocking of the shaft 165' will effect an outward movement of the upper end of the crank-arm 166, thus producing an inward movement of the rack 17 4 and the tabulating-stop carried thereby-that is, the tabulating-stop .will be moved in the direction of the arrow in Fig. XV. This movement of thetabulating-stop will, as hereinbefore described, apply the spring-pressed locking element 17 8 to the longitudinally-extending portion 189 on the carriage to effect a braking action of the carriage when it is released, at the same time interposing the tabulating-stop in the path of the cooperating stop upon the carriage. This same movement or depression of the tabulatingkey 162 will cause the inner end of the keylever to elevate the link 158, thus depressing the free end of the lever 156 order to disengage the feed-dogs from t efeedrack. By reason of the frictional engagement between the inner end of the tabulating-key lever 161 and the link 158 a further upward movement of the inner end of the key-lever may be accomplished after the lever 156 has been moved sufficientlyfar to depress the feeddogs out of engagement with the cooperating feed-rack. By this arrangement the difierent extensive movement for bringing about the platen-section, and mechanism ably connecting said sections, the said mech (see Fi II)in various functions required is accomplished. When the tabulating-key 162 is permitted to be restored to the normal position, the tabulating-key lever and the link 158 willattam thesame positions with relation to one another which they do before the depression of the key by reason of the frictional connection 159 and 160 between the parts.

From the foregoing description of .the construction and operation of the various parts or features of my invention it is thought that a clear understanding of the construction and bperation of the machine can be arrived at without further description.

While I have shown and described with considerable detail various features of the device and their cooperation one with another,.

it should be understood that various of these features may be employed separately in tabulating-machines of different characters and that various changes in construction may be made in order to adapt the features to different type-writing machines;

Having described my invention, what I claim, and desire to secure by Letters Patent, 1s

1. In a type-Writing machine the combination of a frame, a carriage comprising two sections, viz: a carrying section or base connected with the frame, and a paper-holding section, alining spring-pressed bolts mounted to slide on one of said sections and adapted for detachable enga ement with the other jacent ends of said bolts.

2. In a type-Writing machine, the combi- Sectionfand handres oa'ted' at the-mnerad' nation of a frame, a carriage comprising two sections, viz: a carrying section or base connected with the frame, and a paper-holding or detach anism OOIIIPI'lSlIlg. two connecting members adapted to hold the platen-section and the base together at different points, said members having their inner ends located atv the central portion of the carriage and in such proximity to each other as to enable them to be simultaneously actuated by the same hand of the operator.

3. In a type-writing machine the combination of the frame, a carriage comprising two sections, viz: a carrying sectionor base connected with the frame, and. a paper-holding section, one of-said sections having a socket or bearing at a distance inward from each of its ends, and the other section having con necting elements located between said' sockets and adapted to enter the same, said connecting elements being movable toward and from the sockets to connect or disconnect the two carriage-sections.

4. In a type-writin machine, the combination of the frame 0 the machine with the traveling carriage, a feed element carried thereby, as'econd cooperating feed element carried by the frame of the machine to conthe said carriage, a second cooperating feed element carried by the framing of. the machine for affording a step-by-step feed of aid carriage, and a spring-pressed hand-operated bolt for retaining one of said feed elements in place whereby a feed element 'of one character can be. readily removed and another feed element of a difii'erentcharacter be substituted therefor.

6. In a type-writing machine, the combination of a carriage, a feed-rack operatively connected to said carriage, a feed-dog which cooperates with said feed-rack, an oscillating carrier for said feed-dog which carrier is 'car ried by the framing of the machine,- and a spring -pressed, longitudinally slidable bolt 7. In a type-writing'fn'lachine, the combil therefor, 4

nation. of a carria e, a spring-drum a crank for regu ating the tension of the spring, an abutment or projection carried by said crank and freely movable therewith for almost a complete revolution of saidcrank, and a stationary abutment arranged to engage said crank-abutment at one oint of its revolution but clear of the path 0 the crankabutment at all other points, the two abutments having at one side shoulders arranged to arrest the movement of the crank in one direction, and on the other side, surfaces co operating with a wedge-like action to allow one abutment to pass over the other, one of the abutments being capable of a yielding movement when engaged by the other.

FRANZ X. WAGNER Witnesses-z I Y JOHN LOTKA,

O'r'ro v. SCHRENK. 

